54315501450221 has 16 divisors (see below), whose sum is σ = 60657910353600. Its totient is φ = 48218845622400.

The previous prime is 54315501450157. The next prime is 54315501450229. The reversal of 54315501450221 is 12205410551345.

It is a cyclic number.

It is not a de Polignac number, because 54315501450221 - 2⁶ = 54315501450157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54315501450229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291083336 + ... + 291269873.

It is an arithmetic number, because the mean of its divisors is an integer number (3791119397100).

Almost surely, 2^{54315501450221} is an apocalyptic number.

It is an amenable number.

54315501450221 is a deficient number, since it is larger than the sum of its proper divisors (6342408903379).

54315501450221 is a wasteful number, since it uses less digits than its factorization.

54315501450221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582353420.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 54315501450221 in words is "fifty-four trillion, three hundred fifteen billion, five hundred one million, four hundred fifty thousand, two hundred twenty-one".